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|
import datetime
import textwrap
import unittest
from email import errors
from email import policy
from email.message import Message
from test.test_email import TestEmailBase, parameterize
from email import headerregistry
from email.headerregistry import Address, Group
DITTO = object()
class TestHeaderRegistry(TestEmailBase):
def test_arbitrary_name_unstructured(self):
factory = headerregistry.HeaderRegistry()
h = factory('foobar', 'test')
self.assertIsInstance(h, headerregistry.BaseHeader)
self.assertIsInstance(h, headerregistry.UnstructuredHeader)
def test_name_case_ignored(self):
factory = headerregistry.HeaderRegistry()
# Whitebox check that test is valid
self.assertNotIn('Subject', factory.registry)
h = factory('Subject', 'test')
self.assertIsInstance(h, headerregistry.BaseHeader)
self.assertIsInstance(h, headerregistry.UniqueUnstructuredHeader)
class FooBase:
def __init__(self, *args, **kw):
pass
def test_override_default_base_class(self):
factory = headerregistry.HeaderRegistry(base_class=self.FooBase)
h = factory('foobar', 'test')
self.assertIsInstance(h, self.FooBase)
self.assertIsInstance(h, headerregistry.UnstructuredHeader)
class FooDefault:
parse = headerregistry.UnstructuredHeader.parse
def test_override_default_class(self):
factory = headerregistry.HeaderRegistry(default_class=self.FooDefault)
h = factory('foobar', 'test')
self.assertIsInstance(h, headerregistry.BaseHeader)
self.assertIsInstance(h, self.FooDefault)
def test_override_default_class_only_overrides_default(self):
factory = headerregistry.HeaderRegistry(default_class=self.FooDefault)
h = factory('subject', 'test')
self.assertIsInstance(h, headerregistry.BaseHeader)
self.assertIsInstance(h, headerregistry.UniqueUnstructuredHeader)
def test_dont_use_default_map(self):
factory = headerregistry.HeaderRegistry(use_default_map=False)
h = factory('subject', 'test')
self.assertIsInstance(h, headerregistry.BaseHeader)
self.assertIsInstance(h, headerregistry.UnstructuredHeader)
def test_map_to_type(self):
factory = headerregistry.HeaderRegistry()
h1 = factory('foobar', 'test')
factory.map_to_type('foobar', headerregistry.UniqueUnstructuredHeader)
h2 = factory('foobar', 'test')
self.assertIsInstance(h1, headerregistry.BaseHeader)
self.assertIsInstance(h1, headerregistry.UnstructuredHeader)
self.assertIsInstance(h2, headerregistry.BaseHeader)
self.assertIsInstance(h2, headerregistry.UniqueUnstructuredHeader)
class TestHeaderBase(TestEmailBase):
factory = headerregistry.HeaderRegistry()
def make_header(self, name, value):
return self.factory(name, value)
class TestBaseHeaderFeatures(TestHeaderBase):
def test_str(self):
h = self.make_header('subject', 'this is a test')
self.assertIsInstance(h, str)
self.assertEqual(h, 'this is a test')
self.assertEqual(str(h), 'this is a test')
def test_substr(self):
h = self.make_header('subject', 'this is a test')
self.assertEqual(h[5:7], 'is')
def test_has_name(self):
h = self.make_header('subject', 'this is a test')
self.assertEqual(h.name, 'subject')
def _test_attr_ro(self, attr):
h = self.make_header('subject', 'this is a test')
with self.assertRaises(AttributeError):
setattr(h, attr, 'foo')
def test_name_read_only(self):
self._test_attr_ro('name')
def test_defects_read_only(self):
self._test_attr_ro('defects')
def test_defects_is_tuple(self):
h = self.make_header('subject', 'this is a test')
self.assertEqual(len(h.defects), 0)
self.assertIsInstance(h.defects, tuple)
# Make sure it is still true when there are defects.
h = self.make_header('date', '')
self.assertEqual(len(h.defects), 1)
self.assertIsInstance(h.defects, tuple)
# XXX: FIXME
#def test_CR_in_value(self):
# # XXX: this also re-raises the issue of embedded headers,
# # need test and solution for that.
# value = '\r'.join(['this is', ' a test'])
# h = self.make_header('subject', value)
# self.assertEqual(h, value)
# self.assertDefectsEqual(h.defects, [errors.ObsoleteHeaderDefect])
def test_RFC2047_value_decoded(self):
value = '=?utf-8?q?this_is_a_test?='
h = self.make_header('subject', value)
self.assertEqual(h, 'this is a test')
class TestDateHeader(TestHeaderBase):
datestring = 'Sun, 23 Sep 2001 20:10:55 -0700'
utcoffset = datetime.timedelta(hours=-7)
tz = datetime.timezone(utcoffset)
dt = datetime.datetime(2001, 9, 23, 20, 10, 55, tzinfo=tz)
def test_parse_date(self):
h = self.make_header('date', self.datestring)
self.assertEqual(h, self.datestring)
self.assertEqual(h.datetime, self.dt)
self.assertEqual(h.datetime.utcoffset(), self.utcoffset)
self.assertEqual(h.defects, ())
def test_set_from_datetime(self):
h = self.make_header('date', self.dt)
self.assertEqual(h, self.datestring)
self.assertEqual(h.datetime, self.dt)
self.assertEqual(h.defects, ())
def test_date_header_properties(self):
h = self.make_header('date', self.datestring)
self.assertIsInstance(h, headerregistry.UniqueDateHeader)
self.assertEqual(h.max_count, 1)
self.assertEqual(h.defects, ())
def test_resent_date_header_properties(self):
h = self.make_header('resent-date', self.datestring)
self.assertIsInstance(h, headerregistry.DateHeader)
self.assertEqual(h.max_count, None)
self.assertEqual(h.defects, ())
def test_no_value_is_defect(self):
h = self.make_header('date', '')
self.assertEqual(len(h.defects), 1)
self.assertIsInstance(h.defects[0], errors.HeaderMissingRequiredValue)
def test_datetime_read_only(self):
h = self.make_header('date', self.datestring)
with self.assertRaises(AttributeError):
h.datetime = 'foo'
def test_set_date_header_from_datetime(self):
m = Message(policy=policy.default)
m['Date'] = self.dt
self.assertEqual(m['Date'], self.datestring)
self.assertEqual(m['Date'].datetime, self.dt)
@parameterize
class TestContentTypeHeader(TestHeaderBase):
def content_type_as_value(self,
source,
content_type,
maintype,
subtype,
*args):
l = len(args)
parmdict = args[0] if l>0 else {}
defects = args[1] if l>1 else []
decoded = args[2] if l>2 and args[2] is not DITTO else source
header = 'Content-Type:' + ' ' if source else ''
folded = args[3] if l>3 else header + source + '\n'
h = self.make_header('Content-Type', source)
self.assertEqual(h.content_type, content_type)
self.assertEqual(h.maintype, maintype)
self.assertEqual(h.subtype, subtype)
self.assertEqual(h.params, parmdict)
self.assertDefectsEqual(h.defects, defects)
self.assertEqual(h, decoded)
self.assertEqual(h.fold(policy=policy.default), folded)
content_type_params = {
# Examples from RFC 2045.
'RFC_2045_1': (
'text/plain; charset=us-ascii (Plain text)',
'text/plain',
'text',
'plain',
{'charset': 'us-ascii'},
[],
'text/plain; charset="us-ascii"'),
'RFC_2045_2': (
'text/plain; charset=us-ascii',
'text/plain',
'text',
'plain',
{'charset': 'us-ascii'},
[],
'text/plain; charset="us-ascii"'),
'RFC_2045_3': (
'text/plain; charset="us-ascii"',
'text/plain',
'text',
'plain',
{'charset': 'us-ascii'}),
# RFC 2045 5.2 says syntactically invalid values are to be treated as
# text/plain.
'no_subtype_in_content_type': (
'text/',
'text/plain',
'text',
'plain',
{},
[errors.InvalidHeaderDefect]),
'no_slash_in_content_type': (
'foo',
'text/plain',
'text',
'plain',
{},
[errors.InvalidHeaderDefect]),
'junk_text_in_content_type': (
'<crazy "stuff">',
'text/plain',
'text',
'plain',
{},
[errors.InvalidHeaderDefect]),
'too_many_slashes_in_content_type': (
'image/jpeg/foo',
'text/plain',
'text',
'plain',
{},
[errors.InvalidHeaderDefect]),
# But unknown names are OK. We could make non-IANA names a defect, but
# by not doing so we make ourselves future proof. The fact that they
# are unknown will be detectable by the fact that they don't appear in
# the mime_registry...and the application is free to extend that list
# to handle them even if the core library doesn't.
'unknown_content_type': (
'bad/names',
'bad/names',
'bad',
'names'),
# The content type is case insensitive, and CFWS is ignored.
'mixed_case_content_type': (
'ImAge/JPeg',
'image/jpeg',
'image',
'jpeg'),
'spaces_in_content_type': (
' text / plain ',
'text/plain',
'text',
'plain'),
'cfws_in_content_type': (
'(foo) text (bar)/(baz)plain(stuff)',
'text/plain',
'text',
'plain'),
# test some parameters (more tests could be added for parameters
# associated with other content types, but since parameter parsing is
# generic they would be redundant for the current implementation).
'charset_param': (
'text/plain; charset="utf-8"',
'text/plain',
'text',
'plain',
{'charset': 'utf-8'}),
'capitalized_charset': (
'text/plain; charset="US-ASCII"',
'text/plain',
'text',
'plain',
{'charset': 'US-ASCII'}),
'unknown_charset': (
'text/plain; charset="fOo"',
'text/plain',
'text',
'plain',
{'charset': 'fOo'}),
'capitalized_charset_param_name_and_comment': (
'text/plain; (interjection) Charset="utf-8"',
'text/plain',
'text',
'plain',
{'charset': 'utf-8'},
[],
# Should the parameter name be lowercased here?
'text/plain; Charset="utf-8"'),
# Since this is pretty much the ur-mimeheader, we'll put all the tests
# that exercise the parameter parsing and formatting here.
#
# XXX: question: is minimal quoting preferred?
'unquoted_param_value': (
'text/plain; title=foo',
'text/plain',
'text',
'plain',
{'title': 'foo'},
[],
'text/plain; title="foo"'),
'param_value_with_tspecials': (
'text/plain; title="(bar)foo blue"',
'text/plain',
'text',
'plain',
{'title': '(bar)foo blue'}),
'param_with_extra_quoted_whitespace': (
'text/plain; title=" a loong way \t home "',
'text/plain',
'text',
'plain',
{'title': ' a loong way \t home '}),
'bad_params': (
'blarg; baz; boo',
'text/plain',
'text',
'plain',
{'baz': '', 'boo': ''},
[errors.InvalidHeaderDefect]*3),
'spaces_around_param_equals': (
'Multipart/mixed; boundary = "CPIMSSMTPC06p5f3tG"',
'multipart/mixed',
'multipart',
'mixed',
{'boundary': 'CPIMSSMTPC06p5f3tG'},
[],
'Multipart/mixed; boundary="CPIMSSMTPC06p5f3tG"'),
'spaces_around_semis': (
('image/jpeg; name="wibble.JPG" ; x-mac-type="4A504547" ; '
'x-mac-creator="474B4F4E"'),
'image/jpeg',
'image',
'jpeg',
{'name': 'wibble.JPG',
'x-mac-type': '4A504547',
'x-mac-creator': '474B4F4E'},
[],
('image/jpeg; name="wibble.JPG"; x-mac-type="4A504547"; '
'x-mac-creator="474B4F4E"'),
# XXX: it could be that we will eventually prefer to fold starting
# from the decoded value, in which case these spaces and similar
# spaces in other tests will be wrong.
('Content-Type: image/jpeg; name="wibble.JPG" ; '
'x-mac-type="4A504547" ;\n'
' x-mac-creator="474B4F4E"\n'),
),
'semis_inside_quotes': (
'image/jpeg; name="Jim&&Jill"',
'image/jpeg',
'image',
'jpeg',
{'name': 'Jim&&Jill'}),
'single_quotes_inside_quotes': (
'image/jpeg; name="Jim \'Bob\' Jill"',
'image/jpeg',
'image',
'jpeg',
{'name': "Jim 'Bob' Jill"}),
'double_quotes_inside_quotes': (
r'image/jpeg; name="Jim \"Bob\" Jill"',
'image/jpeg',
'image',
'jpeg',
{'name': 'Jim "Bob" Jill'},
[],
r'image/jpeg; name="Jim \"Bob\" Jill"'),
# XXX: This test works except for the refolding of the header. I'll
# deal with that bug when I deal with the other folding bugs.
#'non_ascii_in_params': (
# ('foo\xa7/bar; b\xa7r=two; '
# 'baz=thr\xa7e'.encode('latin-1').decode('us-ascii',
# 'surrogateescape')),
# 'foo\uFFFD/bar',
# 'foo\uFFFD',
# 'bar',
# {'b\uFFFDr': 'two', 'baz': 'thr\uFFFDe'},
# [errors.UndecodableBytesDefect]*3,
# 'foo�/bar; b�r="two"; baz="thr�e"',
# ),
# RFC 2231 parameter tests.
'rfc2231_segmented_normal_values': (
'image/jpeg; name*0="abc"; name*1=".html"',
'image/jpeg',
'image',
'jpeg',
{'name': "abc.html"},
[],
'image/jpeg; name="abc.html"'),
'quotes_inside_rfc2231_value': (
r'image/jpeg; bar*0="baz\"foobar"; bar*1="\"baz"',
'image/jpeg',
'image',
'jpeg',
{'bar': 'baz"foobar"baz'},
[],
r'image/jpeg; bar="baz\"foobar\"baz"'),
# XXX: This test works except for the refolding of the header. I'll
# deal with that bug when I deal with the other folding bugs.
#'non_ascii_rfc2231_value': (
# ('text/plain; charset=us-ascii; '
# "title*=us-ascii'en'This%20is%20"
# 'not%20f\xa7n').encode('latin-1').decode('us-ascii',
# 'surrogateescape'),
# 'text/plain',
# 'text',
# 'plain',
# {'charset': 'us-ascii', 'title': 'This is not f\uFFFDn'},
# [errors.UndecodableBytesDefect],
# 'text/plain; charset="us-ascii"; title="This is not f�n"'),
'rfc2231_encoded_charset': (
'text/plain; charset*=ansi-x3.4-1968\'\'us-ascii',
'text/plain',
'text',
'plain',
{'charset': 'us-ascii'},
[],
'text/plain; charset="us-ascii"'),
# This follows the RFC: no double quotes around encoded values.
'rfc2231_encoded_no_double_quotes': (
("text/plain;"
"\tname*0*=''This%20is%20;"
"\tname*1*=%2A%2A%2Afun%2A%2A%2A%20;"
'\tname*2="is it not.pdf"'),
'text/plain',
'text',
'plain',
{'name': 'This is ***fun*** is it not.pdf'},
[],
'text/plain; name="This is ***fun*** is it not.pdf"',
('Content-Type: text/plain;\tname*0*=\'\'This%20is%20;\n'
'\tname*1*=%2A%2A%2Afun%2A%2A%2A%20;\tname*2="is it not.pdf"\n'),
),
# Make sure we also handle it if there are spurrious double qoutes.
'rfc2231_encoded_with_double_quotes': (
("text/plain;"
'\tname*0*="us-ascii\'\'This%20is%20even%20more%20";'
'\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";'
'\tname*2="is it not.pdf"'),
'text/plain',
'text',
'plain',
{'name': 'This is even more ***fun*** is it not.pdf'},
[errors.InvalidHeaderDefect]*2,
'text/plain; name="This is even more ***fun*** is it not.pdf"',
('Content-Type: text/plain;\t'
'name*0*="us-ascii\'\'This%20is%20even%20more%20";\n'
'\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";\tname*2="is it not.pdf"\n'),
),
'rfc2231_single_quote_inside_double_quotes': (
('text/plain; charset=us-ascii;'
'\ttitle*0*="us-ascii\'en\'This%20is%20really%20";'
'\ttitle*1*="%2A%2A%2Afun%2A%2A%2A%20";'
'\ttitle*2="isn\'t it!"'),
'text/plain',
'text',
'plain',
{'charset': 'us-ascii', 'title': "This is really ***fun*** isn't it!"},
[errors.InvalidHeaderDefect]*2,
('text/plain; charset="us-ascii"; '
'title="This is really ***fun*** isn\'t it!"'),
('Content-Type: text/plain; charset=us-ascii;\n'
'\ttitle*0*="us-ascii\'en\'This%20is%20really%20";\n'
'\ttitle*1*="%2A%2A%2Afun%2A%2A%2A%20";\ttitle*2="isn\'t it!"\n'),
),
'rfc2231_single_quote_in_value_with_charset_and_lang': (
('application/x-foo;'
"\tname*0*=\"us-ascii'en-us'Frank's\"; name*1*=\" Document\""),
'application/x-foo',
'application',
'x-foo',
{'name': "Frank's Document"},
[errors.InvalidHeaderDefect]*2,
'application/x-foo; name="Frank\'s Document"',
('Content-Type: application/x-foo;\t'
'name*0*="us-ascii\'en-us\'Frank\'s";\n'
' name*1*=" Document"\n'),
),
'rfc2231_single_quote_in_non_encoded_value': (
('application/x-foo;'
"\tname*0=\"us-ascii'en-us'Frank's\"; name*1=\" Document\""),
'application/x-foo',
'application',
'x-foo',
{'name': "us-ascii'en-us'Frank's Document"},
[],
'application/x-foo; name="us-ascii\'en-us\'Frank\'s Document"',
('Content-Type: application/x-foo;\t'
'name*0="us-ascii\'en-us\'Frank\'s";\n'
' name*1=" Document"\n'),
),
'rfc2231_no_language_or_charset': (
'text/plain; NAME*0*=english_is_the_default.html',
'text/plain',
'text',
'plain',
{'name': 'english_is_the_default.html'},
[errors.InvalidHeaderDefect],
'text/plain; NAME="english_is_the_default.html"'),
'rfc2231_encoded_no_charset': (
("text/plain;"
'\tname*0*="\'\'This%20is%20even%20more%20";'
'\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";'
'\tname*2="is it.pdf"'),
'text/plain',
'text',
'plain',
{'name': 'This is even more ***fun*** is it.pdf'},
[errors.InvalidHeaderDefect]*2,
'text/plain; name="This is even more ***fun*** is it.pdf"',
('Content-Type: text/plain;\t'
'name*0*="\'\'This%20is%20even%20more%20";\n'
'\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";\tname*2="is it.pdf"\n'),
),
# XXX: see below...the first name line here should be *0 not *0*.
'rfc2231_partly_encoded': (
("text/plain;"
'\tname*0*="\'\'This%20is%20even%20more%20";'
'\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";'
'\tname*2="is it.pdf"'),
'text/plain',
'text',
'plain',
{'name': 'This is even more ***fun*** is it.pdf'},
[errors.InvalidHeaderDefect]*2,
'text/plain; name="This is even more ***fun*** is it.pdf"',
('Content-Type: text/plain;\t'
'name*0*="\'\'This%20is%20even%20more%20";\n'
'\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";\tname*2="is it.pdf"\n'),
),
'rfc2231_partly_encoded_2': (
("text/plain;"
'\tname*0*="\'\'This%20is%20even%20more%20";'
'\tname*1="%2A%2A%2Afun%2A%2A%2A%20";'
'\tname*2="is it.pdf"'),
'text/plain',
'text',
'plain',
{'name': 'This is even more %2A%2A%2Afun%2A%2A%2A%20is it.pdf'},
[errors.InvalidHeaderDefect],
'text/plain; name="This is even more %2A%2A%2Afun%2A%2A%2A%20is it.pdf"',
('Content-Type: text/plain;\t'
'name*0*="\'\'This%20is%20even%20more%20";\n'
'\tname*1="%2A%2A%2Afun%2A%2A%2A%20";\tname*2="is it.pdf"\n'),
),
'rfc2231_unknown_charset_treated_as_ascii': (
"text/plain; name*0*=bogus'xx'ascii_is_the_default",
'text/plain',
'text',
'plain',
{'name': 'ascii_is_the_default'},
[],
'text/plain; name="ascii_is_the_default"'),
'rfc2231_bad_character_in_charset_parameter_value': (
"text/plain; charset*=ascii''utf-8%E2%80%9D",
'text/plain',
'text',
'plain',
{'charset': 'utf-8\uFFFD\uFFFD\uFFFD'},
[errors.UndecodableBytesDefect],
'text/plain; charset="utf-8\uFFFD\uFFFD\uFFFD"'),
'rfc2231_encoded_then_unencoded_segments': (
('application/x-foo;'
'\tname*0*="us-ascii\'en-us\'My";'
'\tname*1=" Document";'
'\tname*2=" For You"'),
'application/x-foo',
'application',
'x-foo',
{'name': 'My Document For You'},
[errors.InvalidHeaderDefect],
'application/x-foo; name="My Document For You"',
('Content-Type: application/x-foo;\t'
'name*0*="us-ascii\'en-us\'My";\n'
'\tname*1=" Document";\tname*2=" For You"\n'),
),
# My reading of the RFC is that this is an invalid header. The RFC
# says that if charset and language information is given, the first
# segment *must* be encoded.
'rfc2231_unencoded_then_encoded_segments': (
('application/x-foo;'
'\tname*0=us-ascii\'en-us\'My;'
'\tname*1*=" Document";'
'\tname*2*=" For You"'),
'application/x-foo',
'application',
'x-foo',
{'name': 'My Document For You'},
[errors.InvalidHeaderDefect]*3,
'application/x-foo; name="My Document For You"',
("Content-Type: application/x-foo;\tname*0=us-ascii'en-us'My;\t"
# XXX: the newline is in the wrong place, come back and fix
# this when the rest of tests pass.
'name*1*=" Document"\n;'
'\tname*2*=" For You"\n'),
),
# XXX: I would say this one should default to ascii/en for the
# "encoded" segment, since the first segment is not encoded and is
# in double quotes, making the value a valid non-encoded string. The
# old parser decodes this just like the previous case, which may be the
# better Postel rule, but could equally result in borking headers that
# intentially have quoted quotes in them. We could get this 98% right
# if we treat it as a quoted string *unless* it matches the
# charset'lang'value pattern exactly *and* there is at least one
# encoded segment. Implementing that algorithm will require some
# refactoring, so I haven't done it (yet).
'rfc2231_qouted_unencoded_then_encoded_segments': (
('application/x-foo;'
'\tname*0="us-ascii\'en-us\'My";'
'\tname*1*=" Document";'
'\tname*2*=" For You"'),
'application/x-foo',
'application',
'x-foo',
{'name': "us-ascii'en-us'My Document For You"},
[errors.InvalidHeaderDefect]*2,
'application/x-foo; name="us-ascii\'en-us\'My Document For You"',
('Content-Type: application/x-foo;\t'
'name*0="us-ascii\'en-us\'My";\n'
'\tname*1*=" Document";\tname*2*=" For You"\n'),
),
}
@parameterize
class TestContentTransferEncoding(TestHeaderBase):
def cte_as_value(self,
source,
cte,
*args):
l = len(args)
defects = args[0] if l>0 else []
decoded = args[1] if l>1 and args[1] is not DITTO else source
header = 'Content-Transfer-Encoding:' + ' ' if source else ''
folded = args[2] if l>2 else header + source + '\n'
h = self.make_header('Content-Transfer-Encoding', source)
self.assertEqual(h.cte, cte)
self.assertDefectsEqual(h.defects, defects)
self.assertEqual(h, decoded)
self.assertEqual(h.fold(policy=policy.default), folded)
cte_params = {
'RFC_2183_1': (
'base64',
'base64',),
'no_value': (
'',
'7bit',
[errors.HeaderMissingRequiredValue],
'',
'Content-Transfer-Encoding:\n',
),
'junk_after_cte': (
'7bit and a bunch more',
'7bit',
[errors.InvalidHeaderDefect]),
}
@parameterize
class TestContentDisposition(TestHeaderBase):
def content_disp_as_value(self,
source,
content_disposition,
*args):
l = len(args)
parmdict = args[0] if l>0 else {}
defects = args[1] if l>1 else []
decoded = args[2] if l>2 and args[2] is not DITTO else source
header = 'Content-Disposition:' + ' ' if source else ''
folded = args[3] if l>3 else header + source + '\n'
h = self.make_header('Content-Disposition', source)
self.assertEqual(h.content_disposition, content_disposition)
self.assertEqual(h.params, parmdict)
self.assertDefectsEqual(h.defects, defects)
self.assertEqual(h, decoded)
self.assertEqual(h.fold(policy=policy.default), folded)
content_disp_params = {
# Examples from RFC 2183.
'RFC_2183_1': (
'inline',
'inline',),
'RFC_2183_2': (
('attachment; filename=genome.jpeg;'
' modification-date="Wed, 12 Feb 1997 16:29:51 -0500";'),
'attachment',
{'filename': 'genome.jpeg',
'modification-date': 'Wed, 12 Feb 1997 16:29:51 -0500'},
[],
('attachment; filename="genome.jpeg"; '
'modification-date="Wed, 12 Feb 1997 16:29:51 -0500"'),
('Content-Disposition: attachment; filename=genome.jpeg;\n'
' modification-date="Wed, 12 Feb 1997 16:29:51 -0500";\n'),
),
'no_value': (
'',
None,
{},
[errors.HeaderMissingRequiredValue],
'',
'Content-Disposition:\n'),
'invalid_value': (
'ab./k',
'ab.',
{},
[errors.InvalidHeaderDefect]),
'invalid_value_with_params': (
'ab./k; filename="foo"',
'ab.',
{'filename': 'foo'},
[errors.InvalidHeaderDefect]),
}
@parameterize
class TestMIMEVersionHeader(TestHeaderBase):
def version_string_as_MIME_Version(self,
source,
decoded,
version,
major,
minor,
defects):
h = self.make_header('MIME-Version', source)
self.assertEqual(h, decoded)
self.assertEqual(h.version, version)
self.assertEqual(h.major, major)
self.assertEqual(h.minor, minor)
self.assertDefectsEqual(h.defects, defects)
if source:
source = ' ' + source
self.assertEqual(h.fold(policy=policy.default),
'MIME-Version:' + source + '\n')
version_string_params = {
# Examples from the RFC.
'RFC_2045_1': (
'1.0',
'1.0',
'1.0',
1,
0,
[]),
'RFC_2045_2': (
'1.0 (produced by MetaSend Vx.x)',
'1.0 (produced by MetaSend Vx.x)',
'1.0',
1,
0,
[]),
'RFC_2045_3': (
'(produced by MetaSend Vx.x) 1.0',
'(produced by MetaSend Vx.x) 1.0',
'1.0',
1,
0,
[]),
'RFC_2045_4': (
'1.(produced by MetaSend Vx.x)0',
'1.(produced by MetaSend Vx.x)0',
'1.0',
1,
0,
[]),
# Other valid values.
'1_1': (
'1.1',
'1.1',
'1.1',
1,
1,
[]),
'2_1': (
'2.1',
'2.1',
'2.1',
2,
1,
[]),
'whitespace': (
'1 .0',
'1 .0',
'1.0',
1,
0,
[]),
'leading_trailing_whitespace_ignored': (
' 1.0 ',
' 1.0 ',
'1.0',
1,
0,
[]),
# Recoverable invalid values. We can recover here only because we
# already have a valid value by the time we encounter the garbage.
# Anywhere else, and we don't know where the garbage ends.
'non_comment_garbage_after': (
'1.0 <abc>',
'1.0 <abc>',
'1.0',
1,
0,
[errors.InvalidHeaderDefect]),
# Unrecoverable invalid values. We *could* apply more heuristics to
# get someing out of the first two, but doing so is not worth the
# effort.
'non_comment_garbage_before': (
'<abc> 1.0',
'<abc> 1.0',
None,
None,
None,
[errors.InvalidHeaderDefect]),
'non_comment_garbage_inside': (
'1.<abc>0',
'1.<abc>0',
None,
None,
None,
[errors.InvalidHeaderDefect]),
'two_periods': (
'1..0',
'1..0',
None,
None,
None,
[errors.InvalidHeaderDefect]),
'2_x': (
'2.x',
'2.x',
None, # This could be 2, but it seems safer to make it None.
None,
None,
[errors.InvalidHeaderDefect]),
'foo': (
'foo',
'foo',
None,
None,
None,
[errors.InvalidHeaderDefect]),
'missing': (
'',
'',
None,
None,
None,
[errors.HeaderMissingRequiredValue]),
}
@parameterize
class TestAddressHeader(TestHeaderBase):
example_params = {
'empty':
('<>',
[errors.InvalidHeaderDefect],
'<>',
'',
'<>',
'',
'',
None),
'address_only':
('zippy@pinhead.com',
[],
'zippy@pinhead.com',
'',
'zippy@pinhead.com',
'zippy',
'pinhead.com',
None),
'name_and_address':
('Zaphrod Beblebrux <zippy@pinhead.com>',
[],
'Zaphrod Beblebrux <zippy@pinhead.com>',
'Zaphrod Beblebrux',
'zippy@pinhead.com',
'zippy',
'pinhead.com',
None),
'quoted_local_part':
('Zaphrod Beblebrux <"foo bar"@pinhead.com>',
[],
'Zaphrod Beblebrux <"foo bar"@pinhead.com>',
'Zaphrod Beblebrux',
'"foo bar"@pinhead.com',
'foo bar',
'pinhead.com',
None),
'quoted_parens_in_name':
(r'"A \(Special\) Person" <person@dom.ain>',
[],
'"A (Special) Person" <person@dom.ain>',
'A (Special) Person',
'person@dom.ain',
'person',
'dom.ain',
None),
'quoted_backslashes_in_name':
(r'"Arthur \\Backslash\\ Foobar" <person@dom.ain>',
[],
r'"Arthur \\Backslash\\ Foobar" <person@dom.ain>',
r'Arthur \Backslash\ Foobar',
'person@dom.ain',
'person',
'dom.ain',
None),
'name_with_dot':
('John X. Doe <jxd@example.com>',
[errors.ObsoleteHeaderDefect],
'"John X. Doe" <jxd@example.com>',
'John X. Doe',
'jxd@example.com',
'jxd',
'example.com',
None),
'quoted_strings_in_local_part':
('""example" example"@example.com',
[errors.InvalidHeaderDefect]*3,
'"example example"@example.com',
'',
'"example example"@example.com',
'example example',
'example.com',
None),
'escaped_quoted_strings_in_local_part':
(r'"\"example\" example"@example.com',
[],
r'"\"example\" example"@example.com',
'',
r'"\"example\" example"@example.com',
r'"example" example',
'example.com',
None),
'escaped_escapes_in_local_part':
(r'"\\"example\\" example"@example.com',
[errors.InvalidHeaderDefect]*5,
r'"\\example\\\\ example"@example.com',
'',
r'"\\example\\\\ example"@example.com',
r'\example\\ example',
'example.com',
None),
'spaces_in_unquoted_local_part_collapsed':
('merwok wok @example.com',
[errors.InvalidHeaderDefect]*2,
'"merwok wok"@example.com',
'',
'"merwok wok"@example.com',
'merwok wok',
'example.com',
None),
'spaces_around_dots_in_local_part_removed':
('merwok. wok . wok@example.com',
[errors.ObsoleteHeaderDefect],
'merwok.wok.wok@example.com',
'',
'merwok.wok.wok@example.com',
'merwok.wok.wok',
'example.com',
None),
}
# XXX: Need many more examples, and in particular some with names in
# trailing comments, which aren't currently handled. comments in
# general are not handled yet.
def example_as_address(self, source, defects, decoded, display_name,
addr_spec, username, domain, comment):
h = self.make_header('sender', source)
self.assertEqual(h, decoded)
self.assertDefectsEqual(h.defects, defects)
a = h.address
self.assertEqual(str(a), decoded)
self.assertEqual(len(h.groups), 1)
self.assertEqual([a], list(h.groups[0].addresses))
self.assertEqual([a], list(h.addresses))
self.assertEqual(a.display_name, display_name)
self.assertEqual(a.addr_spec, addr_spec)
self.assertEqual(a.username, username)
self.assertEqual(a.domain, domain)
# XXX: we have no comment support yet.
#self.assertEqual(a.comment, comment)
def example_as_group(self, source, defects, decoded, display_name,
addr_spec, username, domain, comment):
source = 'foo: {};'.format(source)
gdecoded = 'foo: {};'.format(decoded) if decoded else 'foo:;'
h = self.make_header('to', source)
self.assertEqual(h, gdecoded)
self.assertDefectsEqual(h.defects, defects)
self.assertEqual(h.groups[0].addresses, h.addresses)
self.assertEqual(len(h.groups), 1)
self.assertEqual(len(h.addresses), 1)
a = h.addresses[0]
self.assertEqual(str(a), decoded)
self.assertEqual(a.display_name, display_name)
self.assertEqual(a.addr_spec, addr_spec)
self.assertEqual(a.username, username)
self.assertEqual(a.domain, domain)
def test_simple_address_list(self):
value = ('Fred <dinsdale@python.org>, foo@example.com, '
'"Harry W. Hastings" <hasty@example.com>')
h = self.make_header('to', value)
self.assertEqual(h, value)
self.assertEqual(len(h.groups), 3)
self.assertEqual(len(h.addresses), 3)
for i in range(3):
self.assertEqual(h.groups[i].addresses[0], h.addresses[i])
self.assertEqual(str(h.addresses[0]), 'Fred <dinsdale@python.org>')
self.assertEqual(str(h.addresses[1]), 'foo@example.com')
self.assertEqual(str(h.addresses[2]),
'"Harry W. Hastings" <hasty@example.com>')
self.assertEqual(h.addresses[2].display_name,
'Harry W. Hastings')
def test_complex_address_list(self):
examples = list(self.example_params.values())
source = ('dummy list:;, another: (empty);,' +
', '.join([x[0] for x in examples[:4]]) + ', ' +
r'"A \"list\"": ' +
', '.join([x[0] for x in examples[4:6]]) + ';,' +
', '.join([x[0] for x in examples[6:]])
)
# XXX: the fact that (empty) disappears here is a potential API design
# bug. We don't currently have a way to preserve comments.
expected = ('dummy list:;, another:;, ' +
', '.join([x[2] for x in examples[:4]]) + ', ' +
r'"A \"list\"": ' +
', '.join([x[2] for x in examples[4:6]]) + ';, ' +
', '.join([x[2] for x in examples[6:]])
)
h = self.make_header('to', source)
self.assertEqual(h.split(','), expected.split(','))
self.assertEqual(h, expected)
self.assertEqual(len(h.groups), 7 + len(examples) - 6)
self.assertEqual(h.groups[0].display_name, 'dummy list')
self.assertEqual(h.groups[1].display_name, 'another')
self.assertEqual(h.groups[6].display_name, 'A "list"')
self.assertEqual(len(h.addresses), len(examples))
for i in range(4):
self.assertIsNone(h.groups[i+2].display_name)
self.assertEqual(str(h.groups[i+2].addresses[0]), examples[i][2])
for i in range(7, 7 + len(examples) - 6):
self.assertIsNone(h.groups[i].display_name)
self.assertEqual(str(h.groups[i].addresses[0]), examples[i-1][2])
for i in range(len(examples)):
self.assertEqual(str(h.addresses[i]), examples[i][2])
self.assertEqual(h.addresses[i].addr_spec, examples[i][4])
def test_address_read_only(self):
h = self.make_header('sender', 'abc@xyz.com')
with self.assertRaises(AttributeError):
h.address = 'foo'
def test_addresses_read_only(self):
h = self.make_header('sender', 'abc@xyz.com')
with self.assertRaises(AttributeError):
h.addresses = 'foo'
def test_groups_read_only(self):
h = self.make_header('sender', 'abc@xyz.com')
with self.assertRaises(AttributeError):
h.groups = 'foo'
def test_addresses_types(self):
source = 'me <who@example.com>'
h = self.make_header('to', source)
self.assertIsInstance(h.addresses, tuple)
self.assertIsInstance(h.addresses[0], Address)
def test_groups_types(self):
source = 'me <who@example.com>'
h = self.make_header('to', source)
self.assertIsInstance(h.groups, tuple)
self.assertIsInstance(h.groups[0], Group)
def test_set_from_Address(self):
h = self.make_header('to', Address('me', 'foo', 'example.com'))
self.assertEqual(h, 'me <foo@example.com>')
def test_set_from_Address_list(self):
h = self.make_header('to', [Address('me', 'foo', 'example.com'),
Address('you', 'bar', 'example.com')])
self.assertEqual(h, 'me <foo@example.com>, you <bar@example.com>')
def test_set_from_Address_and_Group_list(self):
h = self.make_header('to', [Address('me', 'foo', 'example.com'),
Group('bing', [Address('fiz', 'z', 'b.com'),
Address('zif', 'f', 'c.com')]),
Address('you', 'bar', 'example.com')])
self.assertEqual(h, 'me <foo@example.com>, bing: fiz <z@b.com>, '
'zif <f@c.com>;, you <bar@example.com>')
self.assertEqual(h.fold(policy=policy.default.clone(max_line_length=40)),
'to: me <foo@example.com>,\n'
' bing: fiz <z@b.com>, zif <f@c.com>;,\n'
' you <bar@example.com>\n')
def test_set_from_Group_list(self):
h = self.make_header('to', [Group('bing', [Address('fiz', 'z', 'b.com'),
Address('zif', 'f', 'c.com')])])
self.assertEqual(h, 'bing: fiz <z@b.com>, zif <f@c.com>;')
class TestAddressAndGroup(TestEmailBase):
def _test_attr_ro(self, obj, attr):
with self.assertRaises(AttributeError):
setattr(obj, attr, 'foo')
def test_address_display_name_ro(self):
self._test_attr_ro(Address('foo', 'bar', 'baz'), 'display_name')
def test_address_username_ro(self):
self._test_attr_ro(Address('foo', 'bar', 'baz'), 'username')
def test_address_domain_ro(self):
self._test_attr_ro(Address('foo', 'bar', 'baz'), 'domain')
def test_group_display_name_ro(self):
self._test_attr_ro(Group('foo'), 'display_name')
def test_group_addresses_ro(self):
self._test_attr_ro(Group('foo'), 'addresses')
def test_address_from_username_domain(self):
a = Address('foo', 'bar', 'baz')
self.assertEqual(a.display_name, 'foo')
self.assertEqual(a.username, 'bar')
self.assertEqual(a.domain, 'baz')
self.assertEqual(a.addr_spec, 'bar@baz')
self.assertEqual(str(a), 'foo <bar@baz>')
def test_address_from_addr_spec(self):
a = Address('foo', addr_spec='bar@baz')
self.assertEqual(a.display_name, 'foo')
self.assertEqual(a.username, 'bar')
self.assertEqual(a.domain, 'baz')
self.assertEqual(a.addr_spec, 'bar@baz')
self.assertEqual(str(a), 'foo <bar@baz>')
def test_address_with_no_display_name(self):
a = Address(addr_spec='bar@baz')
self.assertEqual(a.display_name, '')
self.assertEqual(a.username, 'bar')
self.assertEqual(a.domain, 'baz')
self.assertEqual(a.addr_spec, 'bar@baz')
self.assertEqual(str(a), 'bar@baz')
def test_null_address(self):
a = Address()
self.assertEqual(a.display_name, '')
self.assertEqual(a.username, '')
self.assertEqual(a.domain, '')
self.assertEqual(a.addr_spec, '<>')
self.assertEqual(str(a), '<>')
def test_domain_only(self):
# This isn't really a valid address.
a = Address(domain='buzz')
self.assertEqual(a.display_name, '')
self.assertEqual(a.username, '')
self.assertEqual(a.domain, 'buzz')
self.assertEqual(a.addr_spec, '@buzz')
self.assertEqual(str(a), '@buzz')
def test_username_only(self):
# This isn't really a valid address.
a = Address(username='buzz')
self.assertEqual(a.display_name, '')
self.assertEqual(a.username, 'buzz')
self.assertEqual(a.domain, '')
self.assertEqual(a.addr_spec, 'buzz')
self.assertEqual(str(a), 'buzz')
def test_display_name_only(self):
a = Address('buzz')
self.assertEqual(a.display_name, 'buzz')
self.assertEqual(a.username, '')
self.assertEqual(a.domain, '')
self.assertEqual(a.addr_spec, '<>')
self.assertEqual(str(a), 'buzz <>')
def test_quoting(self):
# Ideally we'd check every special individually, but I'm not up for
# writing that many tests.
a = Address('Sara J.', 'bad name', 'example.com')
self.assertEqual(a.display_name, 'Sara J.')
self.assertEqual(a.username, 'bad name')
self.assertEqual(a.domain, 'example.com')
self.assertEqual(a.addr_spec, '"bad name"@example.com')
self.assertEqual(str(a), '"Sara J." <"bad name"@example.com>')
def test_il8n(self):
a = Address('Éric', 'wok', 'exàmple.com')
self.assertEqual(a.display_name, 'Éric')
self.assertEqual(a.username, 'wok')
self.assertEqual(a.domain, 'exàmple.com')
self.assertEqual(a.addr_spec, 'wok@exàmple.com')
self.assertEqual(str(a), 'Éric <wok@exàmple.com>')
# XXX: there is an API design issue that needs to be solved here.
#def test_non_ascii_username_raises(self):
# with self.assertRaises(ValueError):
# Address('foo', 'wők', 'example.com')
def test_non_ascii_username_in_addr_spec_raises(self):
with self.assertRaises(ValueError):
Address('foo', addr_spec='wők@example.com')
def test_address_addr_spec_and_username_raises(self):
with self.assertRaises(TypeError):
Address('foo', username='bing', addr_spec='bar@baz')
def test_address_addr_spec_and_domain_raises(self):
with self.assertRaises(TypeError):
Address('foo', domain='bing', addr_spec='bar@baz')
def test_address_addr_spec_and_username_and_domain_raises(self):
with self.assertRaises(TypeError):
Address('foo', username='bong', domain='bing', addr_spec='bar@baz')
def test_space_in_addr_spec_username_raises(self):
with self.assertRaises(ValueError):
Address('foo', addr_spec="bad name@example.com")
def test_bad_addr_sepc_raises(self):
with self.assertRaises(ValueError):
Address('foo', addr_spec="name@ex[]ample.com")
def test_empty_group(self):
g = Group('foo')
self.assertEqual(g.display_name, 'foo')
self.assertEqual(g.addresses, tuple())
self.assertEqual(str(g), 'foo:;')
def test_empty_group_list(self):
g = Group('foo', addresses=[])
self.assertEqual(g.display_name, 'foo')
self.assertEqual(g.addresses, tuple())
self.assertEqual(str(g), 'foo:;')
def test_null_group(self):
g = Group()
self.assertIsNone(g.display_name)
self.assertEqual(g.addresses, tuple())
self.assertEqual(str(g), 'None:;')
def test_group_with_addresses(self):
addrs = [Address('b', 'b', 'c'), Address('a', 'b','c')]
g = Group('foo', addrs)
self.assertEqual(g.display_name, 'foo')
self.assertEqual(g.addresses, tuple(addrs))
self.assertEqual(str(g), 'foo: b <b@c>, a <b@c>;')
def test_group_with_addresses_no_display_name(self):
addrs = [Address('b', 'b', 'c'), Address('a', 'b','c')]
g = Group(addresses=addrs)
self.assertIsNone(g.display_name)
self.assertEqual(g.addresses, tuple(addrs))
self.assertEqual(str(g), 'None: b <b@c>, a <b@c>;')
def test_group_with_one_address_no_display_name(self):
addrs = [Address('b', 'b', 'c')]
g = Group(addresses=addrs)
self.assertIsNone(g.display_name)
self.assertEqual(g.addresses, tuple(addrs))
self.assertEqual(str(g), 'b <b@c>')
def test_display_name_quoting(self):
g = Group('foo.bar')
self.assertEqual(g.display_name, 'foo.bar')
self.assertEqual(g.addresses, tuple())
self.assertEqual(str(g), '"foo.bar":;')
def test_display_name_blanks_not_quoted(self):
g = Group('foo bar')
self.assertEqual(g.display_name, 'foo bar')
self.assertEqual(g.addresses, tuple())
self.assertEqual(str(g), 'foo bar:;')
def test_set_message_header_from_address(self):
a = Address('foo', 'bar', 'example.com')
m = Message(policy=policy.default)
m['To'] = a
self.assertEqual(m['to'], 'foo <bar@example.com>')
self.assertEqual(m['to'].addresses, (a,))
def test_set_message_header_from_group(self):
g = Group('foo bar')
m = Message(policy=policy.default)
m['To'] = g
self.assertEqual(m['to'], 'foo bar:;')
self.assertEqual(m['to'].addresses, g.addresses)
class TestFolding(TestHeaderBase):
def test_short_unstructured(self):
h = self.make_header('subject', 'this is a test')
self.assertEqual(h.fold(policy=policy.default),
'subject: this is a test\n')
def test_long_unstructured(self):
h = self.make_header('Subject', 'This is a long header '
'line that will need to be folded into two lines '
'and will demonstrate basic folding')
self.assertEqual(h.fold(policy=policy.default),
'Subject: This is a long header line that will '
'need to be folded into two lines\n'
' and will demonstrate basic folding\n')
def test_unstructured_short_max_line_length(self):
h = self.make_header('Subject', 'this is a short header '
'that will be folded anyway')
self.assertEqual(
h.fold(policy=policy.default.clone(max_line_length=20)),
textwrap.dedent("""\
Subject: this is a
short header that
will be folded
anyway
"""))
def test_fold_unstructured_single_word(self):
h = self.make_header('Subject', 'test')
self.assertEqual(h.fold(policy=policy.default), 'Subject: test\n')
def test_fold_unstructured_short(self):
h = self.make_header('Subject', 'test test test')
self.assertEqual(h.fold(policy=policy.default),
'Subject: test test test\n')
def test_fold_unstructured_with_overlong_word(self):
h = self.make_header('Subject', 'thisisaverylonglineconsistingofa'
'singlewordthatwontfit')
self.assertEqual(
h.fold(policy=policy.default.clone(max_line_length=20)),
'Subject: thisisaverylonglineconsistingofasinglewordthatwontfit\n')
def test_fold_unstructured_with_two_overlong_words(self):
h = self.make_header('Subject', 'thisisaverylonglineconsistingofa'
'singlewordthatwontfit plusanotherverylongwordthatwontfit')
self.assertEqual(
h.fold(policy=policy.default.clone(max_line_length=20)),
'Subject: thisisaverylonglineconsistingofasinglewordthatwontfit\n'
' plusanotherverylongwordthatwontfit\n')
def test_fold_unstructured_with_slightly_long_word(self):
h = self.make_header('Subject', 'thislongwordislessthanmaxlinelen')
self.assertEqual(
h.fold(policy=policy.default.clone(max_line_length=35)),
'Subject:\n thislongwordislessthanmaxlinelen\n')
def test_fold_unstructured_with_commas(self):
# The old wrapper would fold this at the commas.
h = self.make_header('Subject', "This header is intended to "
"demonstrate, in a fairly susinct way, that we now do "
"not give a , special treatment in unstructured headers.")
self.assertEqual(
h.fold(policy=policy.default.clone(max_line_length=60)),
textwrap.dedent("""\
Subject: This header is intended to demonstrate, in a fairly
susinct way, that we now do not give a , special treatment
in unstructured headers.
"""))
def test_fold_address_list(self):
h = self.make_header('To', '"Theodore H. Perfect" <yes@man.com>, '
'"My address is very long because my name is long" <foo@bar.com>, '
'"Only A. Friend" <no@yes.com>')
self.assertEqual(h.fold(policy=policy.default), textwrap.dedent("""\
To: "Theodore H. Perfect" <yes@man.com>,
"My address is very long because my name is long" <foo@bar.com>,
"Only A. Friend" <no@yes.com>
"""))
def test_fold_date_header(self):
h = self.make_header('Date', 'Sat, 2 Feb 2002 17:00:06 -0800')
self.assertEqual(h.fold(policy=policy.default),
'Date: Sat, 02 Feb 2002 17:00:06 -0800\n')
if __name__ == '__main__':
unittest.main()
|